art to solve the following problems. is 14 years older than her little brother Ezekial. In 8 years, will be twice as old as Ezekial will be then. What is Lily and Ezekial's combined age? (hint: which unknown should we assign a variable to?) Current Age Future Age Lily Ezekial

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.